L.L.C. Ugwu, P.J. Kwaji and B.O. Mgbenka
Journal of Fisheries International 2 ( 3 ): 214 - 218 , 2007
B.O. Mgbenka, H.O. Nwamba and L.L.C. Ugwu
Journal of Fisheries International 2 ( 3 ): 222 - 225 , 2007
L.L.C. Ugwu, B.O. Mgbenka, B.S. Valdon and C.D. Nwani
Journal of Fisheries International 2 ( 3 ): 234 - 241 , 2007